- Vanapalli, S.K. and Oh, W.T. 2009. Measurement of high suction values in unsaturated soils using conventional Tensiometer.
Proceedings of the XVII International Conference on Soil Mechanics and Foundation Engineering,
Egypt. (Abstract accepted for publication)
- Catana, M.C. and Vanapalli, S.K. 2008.Ground improvement
methods comparison for an existing structure in BC, Canada. Proceedings of the 8th International
Congress on Advances in Civil Engineering, 15-17 September 2008, Eastern
Mediterranean University, Famagusta, North Cyprus (paper accepted for publication).
- Oh, W.T. and Vanapalli, S.K. 2008. A simplified model
for predicting the elasticity of unsaturated soils. Proceedings of the 8th International Congress
on Advances in Civil Engineering, 15-17 September 2008, Eastern Mediterranean
University, Famagusta, North Cyprus (paper accepted for publication).
- Vanapalli, S.K., Oh, W.T., and Puppala, A. 2008. A simplified
model for predicting the elasticity of coarse-grained unsaturated soils.
Proceedings of the First European Conference on Unsaturated Soils. Unsaturated
Soils:Advances in Geo-Engineering, Toll et al. (eds).CRC Press: Taylor and Francis
Group. pp. 503-509.
- Nishimura, T., Toyota, H., Vanapalli, S.K. and Oh, W.T.
2008. Determination of the shear strength behavior of an unsaturated soil in
the high suction range using the vapor pressure technique. Proceedings of
the First European Conference on Unsaturated Soils. Unsaturated Soils:Advances
in Geo-Engineering, Toll et al. (eds).CRC Press: Taylor and Francis Group. pp.
441-447.
- Nishimura, T. and Vanapalli, S.K. 2008. Importance of soil-water
characteristic data in the high suction range. Proceedings of the 12th IACMAG Conference,
Goa, India. (Accepted for publication)
- Oh, W.T. and Vanapalli, S.K. 2008. Modeling the Bearing
Capacity and Settlement Behavior of Unsaturated Soils. Proceedings of the 12th IACMAG Conference,
Goa, India. (Accepted for publication)
- Power, K., and Vanapalli, S.K. 2008. Influence of matric
suction on the compressibility behaviour of a compacted unsaturated fine-grained
soils, Proceedings of the 61st Canadian Geotechnical Conference, Ottawa, September 21-24,
2008, Accepted for publication.
- Oh, W.T., and Vanapalli, S.K. 2008. Instability of unsaturated
compacted soil slope due to infiltration, Proceedings of the 61st Canadian Geotechnical Conference,
Ottawa, September 21-24, 2008, Accepted for publication.
- Vanapalli, S.K., Oh, W.T., Puppala, A. 2007. Determination
of the bearing capacity of unsaturated soils under undrained loading conditions,
Proceedings of the 60th Canadian Geotechnical Conference, Ottawa, October 21-24, 2007,
pp. 1002-1009.
- Nishimura, T., Toyota, H., Oh, W.T., and Vanapalli, S.K.
2007. Evaluation of shear strength of an unsaturated non-plastic silty soil.
Proceedings of the 60th Canadian Geotechnical Conference, Ottawa, October 21-24, 2007,
pp. 1029-1036.
- Catana, M.C., Martinez, G., and S.K. Vanapalli. 2007. Ground
improvement techniques using vibro-replacement and rapid impact compaction methods:
A case study. Proceedings of the 60th Canadian Geotechnical Conference, Ottawa, October
21-24, 2007, pp. 1002-1009.
- Mahmoud Al-Riffai, Ioan Nistor, S.K. Vanapalli and Brian
Orendorff. 2007, Overtopping of earthdams: Sensitivity analysis of dam breaching
using two numerical models. Proceedings of the 60th Canadian Geotechnical Conference,
Ottawa, October 21-24, 2007, pp. 1213-1220.
- Power, K.C., Vanapalli, S.K., Garga, V.K. 2007. New and
improved null pressure plate apparatus for the measurement of matric suction
in unsaturated soils. Proceedings of the 60th Canadian Geotechnical Conference, Ottawa,
October 21-24, 2007, pp. 1045-1052.
- Bisson, S., Deschênes, J-H., Vanapalli, S.K. 2007. Design
and construction details of an urban highway embankment. Proceedings of the 60th Canadian Geotechnical
Conference, Ottawa, October 21-24, 2007, pp. 1948-1955.
- Vanapalli, S.K. and Mohamed, F. O. 2007. Bearing capacity
of model footings in unsaturated soils. Proceedings of the Experimental Unsaturated Soils Mechanics,
Ed. Schanz, T. Springer Proceedings in Physics # 112, pp. 483-494.
- Mohamed, F. O. and Vanapalli, S.K. 2006. Laboratory investigations
for the measurement of the bearing capacity of an unsaturated coarse-grained
soil. Proceedings of the 59th Canadian Geotechnical Conference, Vancouver. October 1-4,
2006. pp. 219-226.
- Catana, M. C. and Vanapalli, S.K. 2005. A simple method
for estimating the soil-water retention curve of coarse grained soils. Proceedings of the 58th
Canadian Geotechnical Conference, Saskatoon.
- Vanapalli, S.K., Catana, M.C., and Lobbezoo, J. 2005. A
simple technique to estimate the coefficient of permeability of unsaturated
coarse-grained soils using conventional soil properties. Proceedings of the International Conference
on Problematic Soils, GEOPROB 2005, editors Bilsel Huriye, Nalbantoglu
Zalihe, May 27-29, 2005, Cyprus. Vol. 1, Eastern Mediterranean University Press,
pp. 103-114.
- Nishimura, T, and Vanapalli, S.K. 2005. Volume change and
shear strength behavior of an unsaturated soil in the high suction range.
Proceeding of the 16th International Conference on Soil Mechanics and Foundation
Engineering, Osaka, Japan. pp. 563-566.
- Vanapalli, S.K., and Catana, M.C. 2005. Estimation of the
soil-water characteristic curve of coarse grained soils using one point measurement
and simple properties. Proceedings of the International Symposium on Advanced Experimental
Unsaturated Soil Mechanics, Trento, Italy. pp. 401-407.
- Vanapalli, S.K., Garga, V.K., and Infante Sedano, J.A.
2005. Determination of the shear strength of unsaturated soils using the modified
ring shear apparatus. Proceedings of the International Symposium on Advanced Experimental Unsaturated
Soil Mechanics, Trento, Italy. pp. 125-130.
- Fabius, K.A., Fabius, M., Vanapalli, S.K., and Garga, V.K.
2004. Managing landslide hazards with cautionary zone approach. Landslides:
Evaluation and Stabilization, Proceedings of the Ninth International Conference on Slope Stability
and Landslides, Brazil, Rio-de Janerio. pp. 1707-1713
- Eigenbrod K.D., Kjartanson, B.H, and Vanapalli, S.K. 2004.
Influence of silt content on the engineering properties of saturated and unsaturated
granular soils. Proceedings of the 57th Canadian Geotechnical Conference,
Quebec. Section 6E, pp 25-32.
- Nishimura, T., and Vanapalli, S.K. 2004. Shear strength
behavior of an unsaturated silty soil under constant volume conditions. Proceedings of the
Canadian Geotechnical Conference, Quebec. Section 6E, pp. 17-24.
- Fabius, K. Fabius, M. Vanapalli, S.K., and Maki, G. 2004.
Slope hazard management with the cautionary zone approach: a case study. Proceedings of the
Canadian Geotechnical Conference, Quebec. Section 1C, pp 22-29
- Sedano, J., Garga, V.K., and Vanapalli, S.K. 2004. Design
details of a modified ring shear apparatus, Proceedings of the 57th Canadian
Geotechnical Conference, Quebec. Section 6E, 33-40.
- Vanapalli, S.K., Eigenbrod, K.D., and Garven, E.A. 2003.
Measurement of capillary stress in three compacted granular soils. Proceedings
of the 56th Canadian Geotechnical Conference, Winnipeg. 127-135.
- Vogrig, M. MacDonald, A. Vanapalli, S.K.., Siekmeier, J.,
Roberson, R., and Garven, E. 2003. A laboratory technique for estimating the
resilient modulus of unsaturated soil specimens from CBR and unconfined compression
tests. Proceedings of the 56th Canadian Geotechnical Conference, Winnipeg.
. 99-106.
- Vanapalli, S.K., Sedano, J.I., and Garga, V.K. 2003. A
rigorous approach of predicting the shear strength of unsaturated soils. Proceedings of the 2nd Asian Conference on Unsaturated soils, UNSAT-ASIA,
editors: Karube et al., Osaka, Japan, pp. 253-258.
- Sedano, J.I., Garga, V.K., and Vanapalli, S.K. 2002. Influence
of volume change on the prediction of the shear strength of unsaturated soils.
Proceedings of the 55th Canadian Geotechnical Conference, Niagara,
pp. 1269-1276.
- Brisson, P., Garga, V.K., and Vanapalli, S.K., 2002. Determination
of unsaturated flow characteristics of nickel mine tailings. Proceedings
of the 55th Canadian Geotechnical Conference, Niagara Falls, pp. 419-425.
- Lobbezoo, J.P., and Vanapalli, S.K. 2002. A simple technique
for estimating the coefficient of permeability of unsaturated soils. Proceedings
of the 55th Canadian Geotechnical Conference, Niagara Falls, pp. 1277-1284.
- Vanapalli, S. K., and J. Lane. 2002. A simple technique
for determining the shear strength of unsaturated soils using the conventional
direct shear apparatus. Proceedings of the Second Canadian Specialty Conference on Computer
Applications in Geotechnique, April, 2002, Winnipeg, pp. 245-253.
- Vanapalli, S.K. and Lobbezoo, J. 2002. A normalized function
for predicting the coefficient of permeability unsaturated soils. Proceedings of the Third
International Conference on Unsaturated Soils, Recife, Brazil, ed. J.F.T.
Juca et al., Balkema Publishers, pp. 839-844.
- Vanapalli, S.K. 2001. A simple experimental procedure for
determining the fitting parameter, κ for predicting the shear strength of an
unsaturated soil. Proceedings of the 54th Canadian Geotechnical Conference, Calgary, pp.
622-629.
- Vanapalli, S.K., Wright, A., and D.G. Fredlund. 2000. Shear
strength of two unsaturated silty soils over the suction range from 0 to 1,000,000
kPa. Proceedings of the 53rd Canadian Geotechnical Conference, Montreal, October 15-18,
2000, pp. 1161-1168.
- R.K. Khanzode, D.G. Fredlund, and S.K. Vanapalli, 2000.
A new test procedure to measure the soil-water characteristic curves using a
small centrifuge. Proceedings of the Asian Conference on Unsaturated Soils (UNSAT-ASIA 2000)
From Theory to Practice, May 18-20, 2000, ed. H. Rahardjo, D.G. Toll and
E.C. Leong. A.A. Balkema, Rotterdam, 2000, pp. 345-350.
- Vanapalli, S.K., Pufahl, D.E., and Fredlund, D.G. 1999.
Relationship between soil-water characteristic curves and the as-compacted water
content versus soil for a clay till. Proceedings of the XI Pan-American Conference on Soil
Mechanics and Foundation Engineering, Brazil, 1999. August 8-12, 1999,
Vol. 2, pp. 991-998.
- Vanapalli, S.K. and D.G. Fredlund, 1999. Comparison of
empirical procedures to predict the shear strength function for unsaturated
soils. Proceedings of the XI Asian Regional Conference, International Society for Soil Mechanics
and Foundation Engineering, Seoul, August 16-20, 1999, ed. Sung-Wan Hong
et al., A. A. Balkema, Vol. 1, pp. 93-96.
- R.K. Khanzode, D.G. Fredlund, and S.K. Vanapalli, 1999.
An alternative for the measurement of soil-water characteristic curves for fine-grained
soils. Proceedings of the 52nd Canadian Geotechnical Conference, Regina, October 25-27,
1999, pp. 623-630.
- Fonstad, T., Vanapalli, S.K., and Maule, C.M. 1999. A proposed
design approach for soil liners for earthen manure storage structures. Proceedings
of the 52nd Canadian Geotechnical Conference, Regina, October 25-27, pp.
699-708.
- Vanapalli, S.K., Pufahl, D.E., and Fredlund, D.G. 1999.
Interpretation of the shear strength of unsaturated soils in undrained loading
conditions. Proceedings of the 52nd Canadian Geotechnical Conference,
Regina, October 25-27, 1999, pp. 643-650.
- Vanapalli, S.K., Pufahl, D.E., and Fredlund, D.G. 1998.
The effect of stress state on the soil-water characteristic behavior of a compacted
sandy-clay till. Proceedings of the 51st Canadian Geotechnical Conference,
1998, Edmonton, pp. 87-94.
- Vanapalli, S.K., Sillers, W.S., and Fredlund, M.D. 1998.
The meaning and relevance of residual water content to unsaturated soils.
Proceedings of the 51st Canadian Geotechnical Conference, 1998, Edmonton,
pp. 101-108.
- Vanapalli, S.K., Fredlund, D.G., and Pufahl, D.E. 1998.
Unsaturated shear strength behavior of compacted soils in drained and undrained
loading conditions. Proceedings of the Second International Conference on
Unsaturated Soils, August 27-30, 1998, Beijing, International Academic
Publishers, Vol. 1, pp. 161-166.
- Vanapalli, S.K., and D.G. Fredlund. 1997. Interpretation
of undrained shear strength of unsaturated soils in terms of stress state variables.
Proceedings of the 3rd Brazilian Symposium on Unsaturated Soils, April 21-25, ed. Sung-Wan
Hong et al. Tacio de Campos & E.A. Vargas, Freitas Editora, pp. 35-45.
- Vanapalli, S.K., Fredlund, D.G., and Pufahl, D.E. 1997.
Saturated-unsaturated shear strength and hydraulic conductivity behavior of
a compacted glacial till. Proceedings of the 50th Canadian Geotechnical
Conference, Ottawa, October 20-22, pp. 625-632.
- Vanapalli, S.K., Fredlund, D.G., and Barbour, S.L., 1996.
A rationale for an extended soil-water characteristic curve. Proceedings of the 49th Canadian
Geotechnical Conference, Newfoundland, 23-25 September 1996, Vol. 1, pp.
457- 464.
- Vanapalli, S.K., Pufahl, D. E. Fredlund, D.G., 1995. A
rational approach for the design of forest slopes, Proceedings of the 48th Canadian Geotechnical
Conference, September 25-27, 1995, Vancouver, Vol. 2, pp. 781-788.
- Fredlund, D.G., Vanapalli, S.K., Xing, A., and Pufahl,
D.E. 1995. Predicting the shear strength functions for unsaturated soils using
the soil-water characteristic curve. Proceedings of the 1st International Conference on Unsaturated
Soils, ed. Alonso, E.E., and Delage, P., Paris September 6-8, 1995, A.
A. Balkema, pp. 63-69.
- Rahardjo, H., Fredlund, D.G., and Vanapalli, S.K. 1992.
Use of linear and nonlinear shear strength versus matric suction relations in
slope stability analyses. Proceedings of the Sixth International Symposium on Landslides,
Christchurch, New Zealand, 10-14 February, ed. D.H. Bell, A.A. Balkema, pp.
531-537.
- Babu Shanker, N., Vanapalli, S.K., and Nageshwara Rao,
Ch. 1991. Shear strength of swollen expansive clays, In Problematic Soils and
their Engineering Behavior, Proceedings of the Ninth Asian Regional Conference, Bangkok.
- Babu Shanker, N., Vanapalli, S.K., and Narayana Reddy,
S.G. 1990. Effect of drainage conditions on shear strength of swollen expansive
clays. Proceedings of the Indian Geotechnical Conference, Bombay, India, pp. 247-250.
- Babu Shanker, N., Vanapalli, S.K., 1989. Laboratory studies
on shear strength of expansive clays, Indian Geotechnical Conference, (IGC-89)
Vishakapatnam, India, Vol. 1, pp. 155-158.